1 /* 2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * 16 * File: rxtx.h 17 * 18 * Purpose: 19 * 20 * Author: Jerry Chen 21 * 22 * Date: Jun. 27, 2002 23 * 24 */ 25 26 #ifndef __RXTX_H__ 27 #define __RXTX_H__ 28 29 #include "device.h" 30 #include "wcmd.h" 31 #include "baseband.h" 32 33 #define DEFAULT_MGN_LIFETIME_RES_64us 125 /* 64us */ 34 #define DEFAULT_MSDU_LIFETIME_RES_64us 8000 35 36 /* MIC HDR data header */ 37 struct vnt_mic_hdr { 38 u8 id; 39 u8 tx_priority; 40 u8 mic_addr2[6]; 41 u8 ccmp_pn[IEEE80211_CCMP_PN_LEN]; 42 __be16 payload_len; 43 __be16 hlen; 44 __le16 frame_control; 45 u8 addr1[6]; 46 u8 addr2[6]; 47 u8 addr3[6]; 48 __le16 seq_ctrl; 49 u8 addr4[6]; 50 u16 packing; /* packing to 48 bytes */ 51 } __packed; 52 53 /* RsvTime buffer header */ 54 struct vnt_rrv_time_rts { 55 __le16 rts_rrv_time_ba; 56 __le16 rts_rrv_time_aa; 57 __le16 rts_rrv_time_bb; 58 u16 wReserved; 59 __le16 rrv_time_b; 60 __le16 rrv_time_a; 61 } __packed; 62 63 struct vnt_rrv_time_cts { 64 __le16 cts_rrv_time_ba; 65 u16 wReserved; 66 __le16 rrv_time_b; 67 __le16 rrv_time_a; 68 } __packed; 69 70 struct vnt_rrv_time_ab { 71 __le16 rts_rrv_time; 72 __le16 rrv_time; 73 } __packed; 74 75 /* TX data header */ 76 struct vnt_tx_datahead_g { 77 struct vnt_phy_field b; 78 struct vnt_phy_field a; 79 __le16 duration_b; 80 __le16 duration_a; 81 __le16 time_stamp_off_b; 82 __le16 time_stamp_off_a; 83 struct ieee80211_hdr hdr; 84 } __packed; 85 86 struct vnt_tx_datahead_g_fb { 87 struct vnt_phy_field b; 88 struct vnt_phy_field a; 89 __le16 duration_b; 90 __le16 duration_a; 91 __le16 duration_a_f0; 92 __le16 duration_a_f1; 93 __le16 time_stamp_off_b; 94 __le16 time_stamp_off_a; 95 struct ieee80211_hdr hdr; 96 } __packed; 97 98 struct vnt_tx_datahead_ab { 99 struct vnt_phy_field ab; 100 __le16 duration; 101 __le16 time_stamp_off; 102 struct ieee80211_hdr hdr; 103 } __packed; 104 105 struct vnt_tx_datahead_a_fb { 106 struct vnt_phy_field a; 107 __le16 duration; 108 __le16 time_stamp_off; 109 __le16 duration_f0; 110 __le16 duration_f1; 111 struct ieee80211_hdr hdr; 112 } __packed; 113 114 /* RTS buffer header */ 115 struct vnt_rts_g { 116 struct vnt_phy_field b; 117 struct vnt_phy_field a; 118 __le16 duration_ba; 119 __le16 duration_aa; 120 __le16 duration_bb; 121 u16 wReserved; 122 struct ieee80211_rts data; 123 struct vnt_tx_datahead_g data_head; 124 } __packed; 125 126 struct vnt_rts_g_fb { 127 struct vnt_phy_field b; 128 struct vnt_phy_field a; 129 __le16 duration_ba; 130 __le16 duration_aa; 131 __le16 duration_bb; 132 u16 wReserved; 133 __le16 rts_duration_ba_f0; 134 __le16 rts_duration_aa_f0; 135 __le16 rts_duration_ba_f1; 136 __le16 rts_duration_aa_f1; 137 struct ieee80211_rts data; 138 struct vnt_tx_datahead_g_fb data_head; 139 } __packed; 140 141 struct vnt_rts_ab { 142 struct vnt_phy_field ab; 143 __le16 duration; 144 u16 wReserved; 145 struct ieee80211_rts data; 146 struct vnt_tx_datahead_ab data_head; 147 } __packed; 148 149 struct vnt_rts_a_fb { 150 struct vnt_phy_field a; 151 __le16 duration; 152 u16 wReserved; 153 __le16 rts_duration_f0; 154 __le16 rts_duration_f1; 155 struct ieee80211_rts data; 156 struct vnt_tx_datahead_a_fb data_head; 157 } __packed; 158 159 /* CTS buffer header */ 160 struct vnt_cts { 161 struct vnt_phy_field b; 162 __le16 duration_ba; 163 u16 wReserved; 164 struct ieee80211_cts data; 165 u16 reserved2; 166 struct vnt_tx_datahead_g data_head; 167 } __packed; 168 169 struct vnt_cts_fb { 170 struct vnt_phy_field b; 171 __le16 duration_ba; 172 u16 wReserved; 173 __le16 cts_duration_ba_f0; 174 __le16 cts_duration_ba_f1; 175 struct ieee80211_cts data; 176 u16 reserved2; 177 struct vnt_tx_datahead_g_fb data_head; 178 } __packed; 179 180 union vnt_tx_data_head { 181 /* rts g */ 182 struct vnt_rts_g rts_g; 183 struct vnt_rts_g_fb rts_g_fb; 184 /* rts a/b */ 185 struct vnt_rts_ab rts_ab; 186 struct vnt_rts_a_fb rts_a_fb; 187 /* cts g */ 188 struct vnt_cts cts_g; 189 struct vnt_cts_fb cts_g_fb; 190 /* no rts/cts */ 191 struct vnt_tx_datahead_a_fb data_head_a_fb; 192 struct vnt_tx_datahead_ab data_head_ab; 193 }; 194 195 struct vnt_tx_mic_hdr { 196 struct vnt_mic_hdr hdr; 197 union vnt_tx_data_head head; 198 } __packed; 199 200 union vnt_tx { 201 struct vnt_tx_mic_hdr mic; 202 union vnt_tx_data_head head; 203 }; 204 205 union vnt_tx_head { 206 struct { 207 struct vnt_rrv_time_rts rts; 208 union vnt_tx tx; 209 } __packed tx_rts; 210 struct { 211 struct vnt_rrv_time_cts cts; 212 union vnt_tx tx; 213 } __packed tx_cts; 214 struct { 215 struct vnt_rrv_time_ab ab; 216 union vnt_tx tx; 217 } __packed tx_ab; 218 }; 219 220 struct vnt_tx_fifo_head { 221 u8 tx_key[WLAN_KEY_LEN_CCMP]; 222 __le16 fifo_ctl; 223 __le16 time_stamp; 224 __le16 frag_ctl; 225 __le16 current_rate; 226 } __packed; 227 228 struct vnt_tx_buffer { 229 u8 type; 230 u8 pkt_no; 231 __le16 tx_byte_count; 232 struct vnt_tx_fifo_head fifo_head; 233 union vnt_tx_head tx_head; 234 } __packed; 235 236 struct vnt_tx_short_buf_head { 237 __le16 fifo_ctl; 238 u16 time_stamp; 239 struct vnt_phy_field ab; 240 __le16 duration; 241 __le16 time_stamp_off; 242 } __packed; 243 244 struct vnt_beacon_buffer { 245 u8 type; 246 u8 pkt_no; 247 __le16 tx_byte_count; 248 struct vnt_tx_short_buf_head short_head; 249 struct ieee80211_mgmt mgmt_hdr; 250 } __packed; 251 252 int vnt_tx_packet(struct vnt_private *, struct sk_buff *); 253 int vnt_beacon_make(struct vnt_private *, struct ieee80211_vif *); 254 int vnt_beacon_enable(struct vnt_private *, struct ieee80211_vif *, 255 struct ieee80211_bss_conf *); 256 257 #endif /* __RXTX_H__ */ 258